Home / 6,129.48-8,463.28-5,422.08

Finding the Fourth Proportional to 6,129.48, 8,463.28 and 5,422.08

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Solution

The fourth proportional to 6,129.48, 8,463.28 and 5,422.08 is: 7,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.48 : 8,463.28 = 5,422.08 : x
  2. Step 2: Convert to fraction form
    6,129.48/8,463.28 = 5,422.08/x
  3. Step 3: Cross multiply
    6,129.48x = 8,463.28 × 5,422.08
  4. Step 4: Simplify right side
    6,129.48x = 45,888,581.22
  5. Step 5: Solve for x
    x = 45,888,581.22/6,129.48
  6. Step 6: Final answer
    x = 7,486.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.